Chris Gayle and Dhoni are the only two captains to have recorded six sixes or more in a Test innings twice. Dhoni's innings of 100 not out off 154 balls against Sri Lanka at Brabourne Stadium, Mumbai in December 2009 had contained three fours and six sixes.
Gayle (102 off 72 balls, including nine fours and six sixes at Perth in December 2009) and Dhoni are the only two captains to have registered six sixes in a Test innings against Australia.
Dhoni's impressive strike rate of 84.52 is the fourth highest by an Indian player against Australia - the highest being 99.14 (116 off 117 balls) by Krish Srikkanth at Sydney in January 1986.(minimum 100)
Dhoni's aforesaid strike rate is the second highest by a captain, registering a double hundred in Tests, next only to 89.49 by Michael Clarke during his 230 of 257 balls against South Africa in the 2012-13 Adelaide Test.